April 10, 2017 AT 1:00 am

NFC Color Changer

In this write up we’ll learn how to use NDEF tag formatting to store text records containing configuration information. In this case, colors! Picture a light switch that scans RFID tags, and sets the lights in the room to the color tag you just tapped! To demonstrate this we’ll display some text on the LCD screen, each time you scan an encoded tag, the color will change! If the encoding isn’t recognized, anduino chooses a random color.